Only 1 left!




Capable of Charging Nearly Every Kind of Rechargeable Battery!
One of the most versatile chargers on the market, the Klarus K1 Smart Charger is the perfect combination of power and portability. Less than 5 inches in length and weighing just over 2 ounces, this single-bay charger is able to charge a wide variety of Li-Ion batteries, such as 18650 and 16340 cells, as well as AA, AAA, AAAA and C sizes of Ni-MH and Ni-Cd batteries.

The K1 features an easy-to-understand LED display where the user can monitor the charging progress of the inserted battery and allows him to choose between a 0.5 Amp and a 1.0 Amp charging current. The sophisticated charger also features an auto-activation function for short-circuit protected Li-Ion batteries that have been over-discharged, as well as -DV/dt Control technology that allows Ni-MH and Ni-Cd batteries to charge more fully. Crafted from flame-resistant ABS plastic and designed for optimal heat dissipation, this charger is as safe as it is effective!



  • Microcomputer control technology for intelligent charging
  • Capable of charging almost all types of rechargeable batteries (Ni-MH/Ni-Cd/ LiFePO4/3.7V Li-ion/3.85V Li-ion)
  • Li-ion:26650 22650 18650 18490 18350 17670 17500 16340 14500 10440 16340(RCR123A)
  • LED display to clearly show charging progress
  • Optional 0.5A or 1A output charging current
  • Charger cable DC 5V micro USB port connects directly to either a car charger plug, a computer USB port or other USB charger plug for charging at home or while travelling
  • -DV/dt Control technology to charge Ni-MH and Ni-Cd batteries more fully
  • Built-in reverse polarity and short-circuit protection
  • Features over-charge protection to prevent battery damage. Automatically stops charging when complete
  • Auto-activation function:
    • Automatically reactivates “zero voltage” short-circuit protected Li-ion batteries that have been completely drained of power
    • Will not charge a battery that cannot be reactivated.
  • Made of durable ABS (fire retardant/flame resistant) for your safety
  • Optimal heat dissipation design for long lifespan



  • Input: Micro-USB DC 5V/1A
  • Output Voltage: 4.35V/4.2V/3.65V/1.48V ±1%
  • Output Current: 0.5A or 1.0A
  • Compatible with:
    • Li-Ion (3.7V-3.85V) / LiFePO4: 26650, 22650, 18650, 18490, 18350, 17670, 17500, 14500, 10440, 16340 (RCR123)
    • Ni-MH / Ni-Cd: AA, AAA, AAAA, C
  • Optimal Working Environment: 5%(0℃)-90%(35℃) (fully-laden regular activity)
  • Storage Temperature: 0℃-40℃
  • Dimensions:
    • Length - 4.53" (115 mm)
    • Width - 1.46" (37 mm)
    • Height - 1.26" (32 mm)
  • Weight: 45 g + 17 g (Micro-USB Cable)